// Pass true for "scoresDocsInOrder", because we
// require in-order scoring, even if caller does not,
// since we call advance on the valSrcScorers. Pass
// false for "topScorer" because we will not invoke
// score(Collector) on these scorers:
Scorer subQueryScorer = subQueryWeight.scorer(reader, true, false);
if (subQueryScorer == null) {
return null;
}
Scorer[] valSrcScorers = new Scorer[valSrcWeights.length];
for(int i = 0; i < valSrcScorers.length; i++) {